<?php
Yii::import('application.vendors.*');
require_once('adLdap.php');
/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity {
    private $_id;

    /**
     * Authenticates a user.
     * @return boolean whether authentication succeeds.
     */
    public function authenticate() {

        $user=User::model()->find('LOWER(username)=?',array(strtolower($this->username)));
        if($user===null)
            $this->errorCode=self::ERROR_USERNAME_INVALID;
        else if(!$user->validatePassword($this->password))
                $this->errorCode=self::ERROR_PASSWORD_INVALID;
            else {
                $this->_id=$user->id;
                $this->username=$user->username;
                $this->errorCode=self::ERROR_NONE;
            }
        return $this->errorCode==self::ERROR_NONE;
    }

    /**
     * @return integer the ID of the user record
     */
    public function getId() {
        return $this->_id;
    }
}